Boots – shoes – and leggings
Patent
1979-05-21
1982-01-19
Springborn, Harvey E.
Boots, shoes, and leggings
G06F 930
Patent
active
043120342
ABSTRACT:
A data processor which is adapted for microprogrammed operation has a control store includes an ALU and condition code control unit for controlling operations performed by an arithmetic-logic unit within the execution unit of the data processor and for controlling the setting of the condition code bits in a status register. The ALU and condition code control unit is arranged in a row and column format. A decoder coupled to a macroinstruction register selects a row which is selected over an entire period that is required to execute macroinstruction. The row corresponds to a set of operations and condition code settings associated with a particular macroinstruction. The control store output provides information for selecting the proper column during each microcycle used to execute the macroinstruction. ALU function control signals and the condition code control signals are selected simultaneously according to the selected row and column.
REFERENCES:
patent: 3215987 (1965-11-01), Terzian
patent: 4032895 (1977-06-01), Lanza et al.
patent: 4156278 (1979-05-01), Wilhite
patent: 4156279 (1979-05-01), Wilhite et al.
patent: 4199811 (1980-04-01), Borgerson et al.
Gunter Thomas G.
Hobbs Colleen M. E.
Spak Michael E.
Tredennick Harry L.
Ingrassia Vince
Motorola Inc.
Myers Jeffrey Van
Sarli, Jr. Anthony J.
Springborn Harvey E.
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